6905 search results - page 1222 / 1381 » Querying Multidimensional Databases |
SIGMOD
2003
ACM
14 years 10 months ago
2003
ACM
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
PODS
2003
ACM
14 years 10 months ago
2003
ACM
The sliding window model is useful for discounting stale data in data stream applications. In this model, data elements arrive continually and only the most recent N elements are ...
PODS
2003
ACM
14 years 10 months ago
2003
ACM
Full disjunctions are an associative extension of the outerjoin operator to an arbitrary number of relations. Their main advantage is the ability to maximally combine data from di...
PODS
2005
ACM
14 years 10 months ago
2005
ACM
The challenge of monitoring massive amounts of data generated by communication networks has led to the interest in data stream processing. We study streams of edges in massive com...
PODS
2005
ACM
14 years 10 months ago
2005
ACM
MSO logic on unranked trees has been identified as a convenient theoretical framework for reasoning about expressiveness and implementations of practical XML query languages. As a...